<template>
  <div
    v-if="external"
    :style="styleExternalIcon"
    class="svg-external-icon svg-icon"
    v-bind="$attrs"
  ></div>
  <svg v-else :class="svgClass" aria-hidden="true" v-bind="$attrs">
    <use :xlink:href="iconName" />
  </svg>
</template>

<script lang="ts" setup>
import { computed } from 'vue'
import { isExternal } from '@/utils/validate'

const props = defineProps({
  iconClass: {
    type: String,
    required: true,
  },
  className: {
    type: String,
    default: '',
  },
})

const external = computed(() => isExternal(props.iconClass))
const iconName = computed(() => `#icon-${props.iconClass}`)
const svgClass = computed(() => {
  return props.className ? `svg-icon ${props.className}` : 'svg-icon'
})
const styleExternalIcon = computed(() => ({
  mask: `url(${props.iconClass}) no-repeat 50% 50%`,
  '-webkit-mask': `url(${props.iconClass}) no-repeat 50% 50%`,
}))
</script>

<style scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover !important;
  display: inline-block;
}
</style>
